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All Journal Mechatronics, Electrical Power, and Vehicular Technology
Adha Iman Cahyadi
Universitas Gadjah Mada
Electrical & Electronics Engineering

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Design and Implementation of a Magnetic Levitation System Controller using Global Sliding Mode Control Uswarman, Rudi; Cahyadi, Adha Iman; Wahyunggoro, Oyas
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 5, No 1 (2014)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (960.635 KB) | DOI: 10.14203/j.mev.2014.v5.17-26

Abstract

This paper presents global sliding mode control and conventional sliding mode control for stabilization position of a levitation object. Sliding mode control will be robusting when in sliding mode condition. However, it is not necessarily robust at attaining phase. In the global sliding mode control, the attaining motion phase was eliminated, so that the robustness of the controller can be improved. However, the value of the parameter uncertainties needs to be limited. Besides that, the common problem in sliding mode control is high chattering phenomenon. If the chattering is too large, it can make the system unstable due the limited ability of electronics component. The strategy to overcome the chattering phenomenon is needed. Based on simulation and experimental results, the global sliding mode control has better performance than conventional sliding mode control.  
Co-Authors Oyas Wahyunggoro Rudi Uswarman